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    <title>数组</title>
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<script>
    // 1. 数组
    let arr = ['刘德华','张学友','黎明']
    // 2. 使用数组
    console.log('打印数组：',arr,'打印其中某个元素：',arr[1],'数组长度：',arr.length);
</script>
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